TY  - BOOK
AU  - Heath,Maurice E.
AU  - Metcalfe,Darrel S.
AU  - Barnes,Robert F.
TI  - Forages: the science of grassland agriculture 
SN  - 0-8138-0680-1
AV  - SB193 H43 1973
PY  - 1973///
CY  - Ames, Iowa
PB  - Iowa State University
N1  - Incluye terminologia; With 93 additional contributing authors selected for their recognized leadership in the field of grassland agriculture; Incluye bibliografia
ER  -